CCNA R&S Routing & Switching Essentials Chapter 4 Quiz
What are the three layers of the switch hierarchical design model? (Choose three.)
*access* data link *core* network access enterprise *distribution*
When an appropriate switch form factor for a network is being determined, what should be selected when fault tolerance and bandwidth availability are desired but the budget is limited?
*stackable switch* non-stackable switch fixed configuration switch modular switch
Refer to the exhibit. Fill in the blank. How many broadcast domains are in the topology?
1
Which statement is true about broadcast and collision domains?
Adding a router to a network will increase the size of the collision domain. The size of the collision domain can be reduced by adding hubs to a network. The more interfaces a router has the larger the resulting broadcast domain. *Adding a switch to a network will increase the size of the broadcast domain. *
Which impact does adding a Layer 2 switch have on a network?
an increase in the number of dropped frames *an increase in the size of the broadcast domain* an increase in the number of network collisions an increase in the size of the collision domain
Which cost-effective physical network topology design is recommended when building a three-tier campus network that connects three buildings?
bus mesh *extended star * dual ring
Which option correctly describes a switching method?
cut-through: makes a forwarding decision after receiving the entire frame store-and-forward: forwards the frame immediately after examining its destination MAC address cut-through: provides the flexibility to support any mix of Ethernet speeds *store-and-forward: ensures that the frame is free of physical and data-link errors*
Which two characteristics describe a converged network? (Choose two.)
decreased service calls *support of voice and video both using the same switch* separate wiring infrastructure for voice and video traffic *affordability for small and medium businesses* cheaper equipment cost
Refer to the exhibit. The PC that is attached to port Fa0/1 is sending a packet that has the destination MAC address of 0050.0fae.299c. Based on the current S1 MAC address table, what will S1 do first when the packet arrives at the switch?
forward the data to S2 broadcast an ARP request to all S1 ports except port Fa0/1 *add the MAC address of the PC that is attached to Fa0/1 to the MAC address table* broadcast the data to all S1 ports and all S2 ports that have attached end devices broadcast the data to all S1 ports that have attached end devices, except the Fa0/1 port
Which switching method describes a switch that transfers a frame as soon as the destination MAC address is read?
fragment-free *cut-through* store-and-forward latency forwarding
Which function is supplied by the access layer in a three-layer network design?
high-speed connectivity routing application of policies *network access* backbone connectivity
Refer to the exhibit. A switch receives a Layer 2 frame that contains a source MAC address of 000b.a023.c501 and a destination MAC address of 0050.0fae.75aa. Place the switch steps in the order they occur. (Not all options are used.)
occurs first: The switch adds the source MAC address to the MAC address table occurs second: Because the destination is not known, the switch forwards the frame out all ports except the port through which the frame arrived.
Which service is provided by an automated attendant feature on a converged network?
point-to-point video *call routing* IT management interface video conferencing
When the appropriate switch form factor for a network is being determined, what type of switch should be selected when future expansion is important and cost is not a limiting factor?
stackable switch 1 rack unit switch fixed configuration switch *modular switch*
When would a network designer be concerned with RUs?
when considering port density when calculating maximum port speed when determining the number of available line cards *when purchasing a specific number of switches for a network rack *
